Java tutorial
/** * Copyright (c) 2010-2012 ISBAN S.L * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Ruben De Dios (ISBAN S.L) * Andrez Alvarez Mattos (ISBAN S.L) */ package org.eclipse.gmf.tooling.simplemap.diagram.properties.figure; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.UpdateValueStrategy; import org.eclipse.emf.databinding.EMFProperties; import org.eclipse.emf.ecore.EObject; import org.eclipse.gmf.gmfgraph.DiagramLabel; import org.eclipse.gmf.gmfgraph.Figure; import org.eclipse.gmf.gmfgraph.FontStyle; import org.eclipse.gmf.gmfgraph.GMFGraphPackage; import org.eclipse.gmf.runtime.diagram.ui.internal.util.FontHelper; import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages; import org.eclipse.gmf.runtime.diagram.ui.properties.internal.l10n.DiagramUIPropertiesImages; import org.eclipse.gmf.runtime.diagram.ui.properties.internal.l10n.DiagramUIPropertiesMessages; import org.eclipse.gmf.tooling.simplemap.diagram.properties.AbstractExtendedPropertiesSection; import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleCompartment; import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleLabelNode; import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleLinkMapping; import org.eclipse.gmf.tooling.simplemap.simplemappings.SimpleNode; import org.eclipse.jface.databinding.swt.WidgetProperties; import org.eclipse.swt.SWT; import org.eclipse.swt.accessibility.AccessibleAdapter; import org.eclipse.swt.accessibility.AccessibleEvent; import org.eclipse.swt.custom.CCombo; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; public abstract class ElementWithLabelPropertySection extends AbstractExtendedPropertiesSection { protected static final String FONTS_AND_COLORS_LABEL = DiagramUIPropertiesMessages.FontAndColor_nameLabel; // font family drop down protected CCombo fontFamilyCombo; // font size drop down private CCombo fontSizeCombo; private Button fontBoldButton; private Button fontItalicButton; protected Group fontsGroup; private DataBindingContext bindingContext = new DataBindingContext();; /* * (non-Javadoc) * * @see org.eclipse.gmf.runtime.diagram.ui.properties.sections. * AbstractNotationPropertiesSection * #initializeControls(org.eclipse.swt.widgets.Composite) */ protected void initializeControls(Composite parent) { super.initializeControls(parent); createFontsAndColorsGroups(composite); } /** * Create fonts and colors group * * @param parent - parent composite */ protected Group createFontsAndColorsGroups(Composite parent) { fontsGroup = getWidgetFactory().createGroup(parent, FONTS_AND_COLORS_LABEL); GridLayout layout = new GridLayout(1, false); fontsGroup.setLayout(layout); createFontsGroup(fontsGroup); return fontsGroup; } /** * Create font tool bar group * * @param parent - parent composite * @return - font tool bar */ protected Composite createFontsGroup(Composite parent) { Composite familySize = getWidgetFactory().createComposite(parent); GridLayout layout = new GridLayout(2, false); layout.horizontalSpacing = 0; layout.verticalSpacing = 0; layout.marginHeight = 0; layout.marginWidth = 0; familySize.setLayout(layout); fontFamilyCombo = getWidgetFactory().createCCombo(familySize, SWT.DROP_DOWN | SWT.READ_ONLY | SWT.BORDER); fontFamilyCombo.setItems(FontHelper.getFontNames()); fontSizeCombo = getWidgetFactory().createCCombo(familySize, SWT.DROP_DOWN | SWT.READ_ONLY | SWT.BORDER); fontSizeCombo.setItems(FontHelper.getFontSizes()); Composite toolBar = new Composite(parent, SWT.SHADOW_NONE); toolBar.setLayout(new GridLayout(7, false)); toolBar.setBackground(parent.getBackground()); fontBoldButton = new Button(toolBar, SWT.TOGGLE); fontBoldButton.setImage(DiagramUIPropertiesImages.get(DiagramUIPropertiesImages.IMG_BOLD)); fontBoldButton.getAccessible().addAccessibleListener(new AccessibleAdapter() { public void getName(AccessibleEvent e) { e.result = DiagramUIMessages.PropertyDescriptorFactory_FontStyle_Bold; } }); fontItalicButton = new Button(toolBar, SWT.TOGGLE); fontItalicButton.setImage(DiagramUIPropertiesImages.get(DiagramUIPropertiesImages.IMG_ITALIC)); fontItalicButton.getAccessible().addAccessibleListener(new AccessibleAdapter() { public void getName(AccessibleEvent e) { e.result = DiagramUIMessages.PropertyDescriptorFactory_FontStyle_Italic; } }); return toolBar; } protected Figure getLabelFigure(Object transformSelection) { Figure figure = null; if (transformSelection instanceof SimpleNode) { DiagramLabel diagramLabel = ((SimpleNode) transformSelection).getDiagramLabel(); if (diagramLabel != null && diagramLabel.getAccessor() != null) figure = diagramLabel.getAccessor().getFigure(); } if (transformSelection instanceof SimpleLabelNode) { figure = ((SimpleNode) transformSelection).getDiagramLabel().getFigure().getActualFigure(); } if (transformSelection instanceof SimpleCompartment) { figure = ((SimpleCompartment) transformSelection).getCompartment().getFigure().getActualFigure(); } if (transformSelection instanceof SimpleLinkMapping) { figure = ((SimpleLinkMapping) transformSelection).getDiagramLabel().getFigure().getActualFigure(); } return figure; } @Override public void dispose() { if (bindingContext != null) bindingContext.dispose(); if (fontFamilyCombo != null) fontFamilyCombo.dispose(); if (fontSizeCombo != null) fontSizeCombo.dispose(); if (fontBoldButton != null) fontBoldButton.dispose(); if (fontItalicButton != null) fontItalicButton.dispose(); super.dispose(); } /** * @param object * The eObject to set. */ protected void setEObject(EObject object) { this.eObject = object; bindingContext.bindValue(WidgetProperties.selection().observe(fontFamilyCombo), EMFProperties.value(GMFGraphPackage.eINSTANCE.getBasicFont_FaceName()).observe(eObject)); bindingContext.bindValue(WidgetProperties.selection().observe(fontSizeCombo), EMFProperties.value(GMFGraphPackage.eINSTANCE.getBasicFont_Height()).observe(eObject), new UpdateSizeTargetToModel(), new UpdateSizeModelToTarget()); bindingContext.bindValue(WidgetProperties.selection().observe(fontBoldButton), EMFProperties.value(GMFGraphPackage.eINSTANCE.getBasicFont_Style()).observe(eObject), new UpdateBoldButtonTargetToModel(), new UpdateBoldButtonModelToTarget()); } class UpdateSizeTargetToModel extends UpdateValueStrategy { @Override public Object convert(Object value) { // TODO Auto-generated method stub return Integer.parseInt((String) value); } } class UpdateSizeModelToTarget extends UpdateValueStrategy { @Override public Object convert(Object value) { // TODO Auto-generated method stub return Integer.toString((Integer) value); } } class UpdateBoldButtonTargetToModel extends UpdateValueStrategy { @Override public Object convert(Object value) { boolean isBold = (Boolean) value; FontStyle style = isBold ? FontStyle.BOLD_LITERAL : FontStyle.NORMAL_LITERAL; return style; } } class UpdateBoldButtonModelToTarget extends UpdateValueStrategy { @Override public Object convert(Object value) { return value == FontStyle.BOLD_LITERAL; } } }